Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name "Hadean" comes from the Greek god of the underworld, reflecting the extreme heat that likely ...

Studies of these zircon minerals has given us clues about the Hadean environment, and the formation and evolution of Earth’s oldest crust. The zircons’ chemistry suggests that ...

Scientists agreed the rocky outcrops in a remote part of Quebec, Canada, were ancient. But were they really Earth’s oldest? New research suggests they are.

The oldest rocks on Earth are especially helpful for scientists, as they contain Hadean minerals, which are minerals from Earth's first geological eon. This particular eon spans from the formation ...

An obscure rock formation on the eastern shore of Canada's Hudson Bay may contain the oldest known rocks on Earth, a new study claims. The analysis dated the site's streaky gray rocks, part of an ...

NEW YORK — Scientists have identified what could be the oldest rocks on Earth from a rock formation in Canada. The Nuvvuagittuq Greenstone Belt has long been known for its ancient rocks ...

Our planet has been asteroid-smashed, melted and eroded, enough that most of its original armor has been long buried. Except ...

These Canadian rocks may be the oldest on Earth Samples from a new site place the rocks at approximately 4.16 billion years old, in the earliest period of Earth's history.

We are part of a research team that has confirmed the oldest known rocks on Earth are located in northern Québec. Dating back 4.3 billion years, these rocks provide a rare and invaluable glimpse ...

These Canadian rocks may be the oldest on Earth Samples from a new site place the rocks at approximately 4.16 billion years old, in the earliest period of Earth's history.

Rocks from the Hadean Eon, the first period in the geological timescale, have been dated in Québec. These are some of the oldest terrestrial materials dated by scientists.